Hello Sir I am new to FS and I am trying to set sip_from_user in the B leg to 111222 sip_from_display in the B leg to 98762 sip_contact_user in the B leg to 98762 by using the export variable in the dial pla but I am unable to get it working <action application='export' data= "sip_from_display=${Num2}" The outbound Invite the SIP header is not changing to the value set in variable Num2 . Can anyone help ? With Best Regards, Girish Dharmaraj